Fungal infections in your toenails are caused by dermatophytes, yeasts, or molds, which can enter through a crack in the nail, a cut in the skin near it, or a separation between the nail and skin. Symptoms include discolored, thickened, brittle, crumbly, or misshapen nails.
Birth control propaganda wouldn't cut it, and the government sought a more forceful method of population control. In 1979 they introduced a policy that limiting some families to having only one child.
Today, however, China faces the opposite problem: as a result of the success of its one-child policy, the country faces the prospect of having too few children to support a rapidly aging population (see Figure 1 for China's projected aging trend between 2000 and 2050). Figure 1. Population Pyramids, China: 2000 and 2050.